Power performance assessment of PV blinds system considering self-shading effects

Kim, Jae-Won; Lee, Hyomun; Choi, Mungyu; Kim, Dongsu; Yoon, Jong-Ho

doi:10.1016/j.solener.2023.111834

Cited by 8 publications

(4 citation statements)

References 24 publications

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“…The objective of this study was to assess the viability of implementing PVSDs in various street canyons and ascertain the optimum height range for building facades that can be employed. These investigations have acknowledged the utilization of EnergyPlus for simulating the performance of PVSDs and buildings [21][22][23][24][25]. Furthermore, the study conducted by Zhang et al [21] has confirmed the dependability of EnergyPlus simulation in assessing PVSD performance.…”

Section: Pvsds System and Energy Consumption Calculation Modelmentioning

confidence: 94%

“…The research conducted by Shi et al [23] revealed that the mean comprehensive energy conservation rate of PVSDs ranges from 16.12% to 51.95%. In a study conducted by Kim et al [24], it was shown that a PV blinds system with narrow spacing exhibited a noticeable self-shading effect, resulting in a considerable decrease in solar performance. Furthermore, the impact of PVSDs control tactics on power generation potential was investigated by Paydarr [25] Their study revealed that when the tilt angle was modified biannually, it resulted in a mere 2% increase in power generation compared to the fixed mode.…”

Section: Literature Reviewmentioning

confidence: 99%

“…Shi et al [23] The self-shading effect of a PV blinds system is obvious, and the photovoltaic performance is significantly reduced. Kim et al [24] Control strategy The tilt angle is adjusted twice a year, and the power generation is only 2% more than the fixed mode. Meysam Akbari Paydar [25] Installation site…”

Section: Latitudementioning

confidence: 99%

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A Study on the Feasibility and Strategy of Developing Photovoltaic Integrated Shading Devices in Street Canyons

Wang,

et al. 2024

Buildings

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The measurement and analysis of the spatial attributes of the street canyon hold significant importance in the advancement of photovoltaic integrated shading devices (PVSDs). This study offers the space aspect ratio index AR(h) as a more efficient method for determining the optimal location for installing PVSDs on building facades in various street canyons. The AR(h) index addresses the limitations of the current quantitative index. This study examined the evolving regulations of indoor thermal conditions, natural lighting, and the performance of PVSDs in various street canyons. It assessed the viability of implementing PVSDs in different canyons and suggested development plans based on the variation law. The findings demonstrated that AR(h) is capable of effectively assessing and directing the implementation of PVSDs. When AR(h) is below 0.6, the shade of surrounding buildings has the least impact on the photovoltaic power output and building energy consumption in various street canyons. In this scenario, the building has the largest yearly energy-saving rate, making it highly ideal for implementing PVSDs on the building façade. In summary, the suitability of the AR(h) index in various street sceneries was assessed, offering valuable insights for the widespread implementation of PVSDs and street planning, thereby optimizing the utilization of solar energy. The findings of this study will be advantageous in diminishing the utilization of non-renewable energy sources in urban areas and mitigating carbon emissions to safeguard the environment.

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Section: Pvsds System and Energy Consumption Calculation Modelmentioning

confidence: 94%

Section: Literature Reviewmentioning

confidence: 99%

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A Study on the Feasibility and Strategy of Developing Photovoltaic Integrated Shading Devices in Street Canyons

Wang,

et al. 2024

Buildings

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“…In addition, the reflectivity of the back of the slats has a small influence on the annual production (up to 5%). According to [78], it is crucial to improve the design to eliminate the self-shading effects inside PV blinds. s 2023, 16, x FOR PEER REVIEW 13 of 20…”

Section: Design Strategiesmentioning

confidence: 99%

Paper Review of External Integrated Systems as Photovoltaic Shading Devices

2023

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The building sector contributes to 40% of the total final energy consumption and 36% of CO2 emissions in Europe, and these are set to increase in the coming years. International directives are pushing towards a decarbonisation roadmap to improve the quality of cities and the health of citizens. Buildings have a potentially central role in terms of energy transition as a means to produce and save energy. Photovoltaic shading devices (PVSDs) protect buildings from direct solar radiation and overheating while producing renewable electricity onsite and increasing the users’ thermal comfort. Even though the potential of the PVSD is considerable, the sector is still unexplored, and few studies on the topic are available in the literature. This systematic review aims to present an exhaustive overview of the current literature on state-of-the-art PVSDs by analysing the scientific framework in terms of the status of the research. It presents a performance-based approach focusing on innovative products, PVSD design strategies, and energetic performance in distinct climate conditions and configurations. In particular, 75 articles and about 250 keywords were identified, selected, and analysed. The literature review serves as a basis for further R&D activities led by both the industrial and the academic sectors.

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Development of adjustable solar photovoltaic system for integration with solar shading louvers on building façades

Ito,

Lee

2024

Applied Energy

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Power performance assessment of PV blinds system considering self-shading effects

Cited by 8 publications

References 24 publications

A Study on the Feasibility and Strategy of Developing Photovoltaic Integrated Shading Devices in Street Canyons

A Study on the Feasibility and Strategy of Developing Photovoltaic Integrated Shading Devices in Street Canyons

Paper Review of External Integrated Systems as Photovoltaic Shading Devices

Development of adjustable solar photovoltaic system for integration with solar shading louvers on building façades

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